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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Synthesis and Fungicidal Activity of Novel 2,5-Disubstituted-1,3/4-oxadiazole Derivatives
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Synthesis and Fungicidal Activity of Novel 2,5-Disubstituted-1,3/4-oxadiazole Derivatives

机译:新型2,5-二取代-1,3 / 4-恶二唑衍生物的合成及杀真菌活性

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摘要

A novel series of 1,3,4-oxadiazole derivatives containing a 5-phenyl-2-furan moiety were synthesized from the intermediates diacylhydrazine 3 and acylhydrazone 5 via an efficient approach under microwave irradiation in good yields. Their structures were characterized by IR, ~1H NMR, and elemental analysis. The antifungal tests indicated that the title compounds showed in vivo fungicidal activity against Botrytis cinerea and Rhizoctonia solanii at 500 μg/mL obviously. Some tested compounds even had a superiority effect over the commercial fungicides 40% Pyrimethanil SC and 3% Validamycin AS. The activity between the title compound and their precursors diacylhydrazine 3 and acylhydrazone 5 was also compared and discussed.
机译:通过中间体二酰基肼3和酰基hydr 5的有效方法,在微波辐射下以高收率合成了一系列含有5-苯基-2-呋喃部分的1,3,4-恶二唑衍生物。通过IR,〜1H NMR和元素分析对它们的结构进行了表征。抗真菌试验表明,该标题化合物在500μg/ mL下对灰葡萄孢和番茄红枯病具有明显的体内杀真菌活性。某些测试化合物甚至比40%的嘧霉胺SC和3%的有效霉素AS的商业杀菌剂具有优越的作用。还比较并讨论了标题化合物与其前体二酰基肼3和酰基hydr 5之间的活性。

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